:root {
  color-scheme: light;
  --page: #e5f1ef;
  --surface: #f8fbfa;
  --white: #ffffff;
  --ink: #153431;
  --muted: #69817e;
  --line: #cfe0dd;
  --turquoise: #12877f;
  --turquoise-dark: #08645f;
  --turquoise-soft: #dff1ee;
  --gold: #b99655;
  --danger: #ad514b;
  font-family: Inter, Avenir, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(18, 135, 127, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 135, 127, 0.035) 1px, transparent 1px),
    var(--page);
  background-size: 44px 44px;
}

button {
  font: inherit;
}

button:focus-visible {
  outline: 3px solid rgba(18, 135, 127, 0.25);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.page-shell {
  width: min(100% - 32px, 800px);
  margin: 0 auto;
  padding: 30px 0 22px;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: max-content;
  margin: 0 auto 24px;
}

.brand__mark {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  transform: rotate(45deg);
  border: 1px solid var(--gold);
}

.brand__mark::after {
  position: absolute;
  inset: 6px;
  border: 1px solid var(--turquoise);
  content: "";
}

.brand__name {
  font-size: 15px;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.quiz-card {
  position: relative;
  min-height: 590px;
  overflow: hidden;
  padding: clamp(30px, 6vw, 58px);
  border: 1px solid rgba(18, 135, 127, 0.16);
  border-radius: 24px;
  background: rgba(248, 251, 250, 0.96);
  box-shadow: 0 24px 65px rgba(23, 79, 73, 0.1);
}

.quiz-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--turquoise) 0 43%, var(--gold) 43% 57%, var(--turquoise) 57%);
  content: "";
}

.screen {
  animation: screen-in 280ms ease both;
}

.screen--start,
.screen--result {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.route-mark {
  position: relative;
  display: flex;
  width: 150px;
  align-items: center;
  justify-content: space-between;
  margin: 10px auto 34px;
}

.route-mark::before {
  position: absolute;
  top: 50%;
  right: 6px;
  left: 6px;
  height: 1px;
  background: var(--line);
  content: "";
}

.route-mark span {
  position: relative;
  z-index: 1;
  width: 9px;
  height: 9px;
  transform: rotate(45deg);
  border: 1px solid var(--turquoise);
  background: var(--surface);
}

.route-mark span:nth-child(3) {
  width: 15px;
  height: 15px;
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: inset 0 0 0 4px var(--surface);
}

.eyebrow,
.counter {
  margin: 0;
  color: var(--turquoise);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
p {
  overflow-wrap: break-word;
}

h1 {
  margin: 16px auto 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(43px, 7.5vw, 66px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.lead {
  max-width: 500px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.primary-button {
  display: inline-flex;
  min-width: 185px;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-top: 34px;
  padding: 14px 24px;
  border: 0;
  border-radius: 12px;
  color: #fff;
  background: var(--turquoise);
  font-weight: 750;
  cursor: pointer;
  transition: transform 150ms ease, background 150ms ease;
}

.primary-button:hover {
  transform: translateY(-2px);
  background: var(--turquoise-dark);
}

.primary-button span {
  font-size: 19px;
  line-height: 1;
}

.quiz-topline {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 24px;
}

.progress {
  width: min(390px, 100%);
  height: 3px;
  margin-top: 13px;
  overflow: hidden;
  background: var(--line);
}

.progress__bar {
  display: block;
  width: 25%;
  height: 100%;
  background: var(--turquoise);
  transition: width 260ms ease;
}

.score-pill {
  margin: -6px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.question-block {
  min-height: 116px;
  margin: 52px 0 26px;
}

.question-block h2 {
  max-width: 660px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 4.4vw, 40px);
  font-weight: 500;
  line-height: 1.13;
  letter-spacing: -0.028em;
}

.options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.option-button {
  display: grid;
  min-height: 76px;
  grid-template-columns: 30px 1fr 20px;
  align-items: center;
  gap: 11px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.option-button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--turquoise);
  background: var(--white);
}

.option-button:disabled {
  cursor: default;
}

.option-button__letter {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--turquoise-dark);
  font-size: 11px;
  font-weight: 800;
}

.option-button__text {
  font-size: 14px;
  font-weight: 650;
  line-height: 1.35;
}

.option-button__status {
  font-size: 17px;
  font-weight: 900;
  text-align: center;
}

.option-button.is-correct {
  border-color: var(--turquoise);
  background: var(--turquoise-soft);
}

.option-button.is-correct .option-button__letter {
  border-color: var(--turquoise);
  color: #fff;
  background: var(--turquoise);
}

.option-button.is-wrong {
  border-color: #d9aaa6;
  background: #f9eeee;
}

.option-button.is-wrong .option-button__letter {
  border-color: var(--danger);
  color: #fff;
  background: var(--danger);
}

.feedback {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  margin-top: 16px;
  padding: 14px;
  border-left: 3px solid var(--turquoise);
  border-radius: 6px;
  background: var(--turquoise-soft);
}

.feedback.is-wrong {
  border-left-color: var(--danger);
  background: #f8eeee;
}

.feedback__icon {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--turquoise);
  font-weight: 900;
}

.feedback.is-wrong .feedback__icon {
  background: var(--danger);
}

.feedback strong {
  font-size: 14px;
}

.feedback p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.primary-button--next {
  width: 100%;
  margin-top: 14px;
}

.result-score {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin: 22px 0 8px;
  color: var(--turquoise);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(76px, 14vw, 108px);
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.result-score small {
  margin-bottom: 9px;
  color: #8aa29f;
  font: 24px/1 Inter, "Segoe UI", sans-serif;
}

.screen--result h2 {
  margin: 10px 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(31px, 5vw, 43px);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.result-details {
  max-width: 570px;
  margin: 28px auto 0;
  padding: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.result-details__title {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.result-details ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.result-details li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 9px;
  align-items: start;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.result-icon {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--turquoise);
  font-size: 10px;
  font-weight: 900;
}

.result-icon.is-wrong {
  background: var(--danger);
}

.screen--result .primary-button {
  margin-top: 24px;
}

noscript {
  display: block;
  padding: 14px;
  color: #fff;
  background: var(--danger);
  text-align: center;
}

@keyframes screen-in {
  from {
    transform: translateY(6px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 620px) {
  .page-shell {
    width: min(100% - 18px, 800px);
    padding-top: 18px;
  }

  .brand {
    margin-bottom: 18px;
  }

  .quiz-card {
    min-height: 0;
    padding: 32px 19px 26px;
    border-radius: 18px;
  }

  .route-mark {
    margin-bottom: 28px;
  }

  .question-block {
    min-height: 0;
    margin: 38px 0 22px;
  }

  .options {
    grid-template-columns: 1fr;
  }

  .option-button {
    min-height: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}